A polymer composition and its use for thin film packaging applications including on a dry basis: a) from 45 to 90% by weight of starch; b) from 0. The blade guide can be biased toward the upright fingers to secure a section of donor bone between the blade guide and the upright fingers. The fuel lance is modified for operation with syngas by the first injection openings being arranged directly on the lance tip, and by the first injection openings being oriented so that the fuel jets which emerge from them include an acute angle with the lance axis. If the default sample is lower than the test sample by more than the threshold, the default sample may be flagged as being a potential false sample.